146906224 has 20 divisors (see below), whose sum is σ = 289456920. Its totient is φ = 72207680.

The previous prime is 146906213. The next prime is 146906269. The reversal of 146906224 is 422609641.

It is a self number, because there is not a number n which added to its sum of digits gives 146906224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76867 + ... + 78754.

It is an arithmetic number, because the mean of its divisors is an integer number (14472846).

Almost surely, 2^146906224 is an apocalyptic number.

It is an amenable number.

146906224 is a deficient number, since it is larger than the sum of its proper divisors (142550696).

146906224 is a wasteful number, since it uses less digits than its factorization.

146906224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155688 (or 155682 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 146906224 is about 12120.4877789634. The cubic root of 146906224 is about 527.6509592428.

The spelling of 146906224 in words is "one hundred forty-six million, nine hundred six thousand, two hundred twenty-four".